CVE-2025-36009

6.5 MEDIUM 0.4% exploit odds No fix listed Denial of service OS & kernel

What it is

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to excessive use of a global variable.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. High risk of service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-01-30 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:14 UTC Last updatedMost recent change to the record

Details

Published: 2026-01-30 22:15 UTC
Last modified: 2026-06-17 09:14 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-1284
Record status: Analyzed

Affected

IBM db2 ≤ 11.5.9
IBM db2 ≤ 12.1.3

Attack profile CVSS 3.1 · 6.5

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Download Square Reddit

References

https://www.ibm.com/support/pages/node/7257695

NVD record · CVE.org record